Question

How much work is done to increase speed of car of mass 1500kg from 36km/h to 70km/h?????

Answer 1

Step-by-step explanation:

is we know that kE equal to work done

$work \: done = kintic \: enrgy \\ hn \: put \: frmula \: \\ 1 \div 2mv^{2} \\ mass \: = 1500 \\ volcty = 70 - 36 = 34 \\ thn \: put \: kinetic \: eution \: \\ 1 \div 2 \times 1500(34) {}^{2} \\ then \: work \: one \: = 267kloperjule \:$

plz mark my answer brainist and follow me